<template>
  <el-dropdown
    class="international"
    trigger="click"
    @command="handleSetLanguage"
  >
    <div>
      <el-tooltip content="国际化" :effect="effect">
        <svg-icon id="guide-lang" icon="language"></svg-icon>
      </el-tooltip>
    </div>
    <template #dropdown>
      <el-dropdown-item :disabled="language === 'zh'" command="zh"
        >中文</el-dropdown-item
      >
      <el-dropdown-item :disabled="language === 'en'" command="en"
        >English</el-dropdown-item
      >
    </template>
  </el-dropdown>
</template>

<script setup>
import { computed, defineProps } from 'vue';
import { useStore } from 'vuex';
import { useI18n } from 'vue-i18n';
import { ElMessage } from 'element-plus';

defineProps({
  effect: {
    type: String,
    default: 'dark',
    validator: (val) => {
      return ['dark', 'light'].includes(val);
    }
  }
});

const store = useStore();
const language = computed(() => store.getters.language);

const i18n = useI18n();
const handleSetLanguage = (lang) => {
  // 切换i18n的locale
  i18n.locale.value = lang;
  // 修改vuex存储的lang
  store.commit('app/setLanguage', lang);
  // 提示
  ElMessage.success(i18n.t('msg.toast.switchLangSuccess'));
};
</script>

<style lang='scss' scoped></style>
